{"id":"CVE-2023-20664","aliases":["EUVD-2023-24843","GHSA-637q-wqq3-x6v8"],"status":"published","title":"In gz, there is a possible double free due to a use after free. This could lead to local...","description":"In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07505952; Issue ID: ALPS07505952.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00092,"percentile":0.00502,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2023-04-06T00:00:00Z","modified":"2026-06-17T05:30:34Z","products":[{"vendor":"google","product":"android"},{"vendor":"mediatek, inc.","product":"mt6580, mt6735, mt6737, mt6739, mt6753, mt6761, mt6765, mt6768, mt6771, mt6779, mt6781, mt6785, mt6789, mt6833, mt6853, mt6853t, mt6855, mt6873, mt6877, mt6879, mt6883, mt6885, mt6889, mt6893, mt6895, mt6983, mt8168, mt8185, mt8188, mt8321, mt8362a, mt8365, mt8385, mt8666, mt8673, mt8675, mt8696, mt8765, mt8766, mt8768, mt8771, mt8781, mt8786, mt8788, mt8789, mt8791, mt8791t, mt8795t, mt8797, mt8798, mt8871, mt8891"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/April-2023","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20664"},{"url":"https://github.com/advisories/GHSA-637q-wqq3-x6v8"}],"sources":{"cve":[{"id":"CVE-2023-20664","description":"In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07505952; Issue ID: ALPS07505952.","status":"published","published":"2023-04-06T00:00:00Z","modified":"2025-02-13T15:02:22.6Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-24843","description":"In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07505952; Issue ID: ALPS07505952.","status":"published","published":"2023-04-06T00:00:00Z","modified":"2025-02-13T15:02:22Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:03:55.403392Z"}],"ghsa":[{"id":"GHSA-637q-wqq3-x6v8","title":"In gz, there is a possible double free due to a use after free. This could lead to local...","description":"In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07505952; Issue ID: ALPS07505952.","status":"published","published":"2023-04-06T18:30:17Z","modified":"2023-04-21T05:08:44Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:54:32.800891Z"}],"nvd":[{"id":"CVE-2023-20664","description":"In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07505952; Issue ID: ALPS07505952.","status":"published","published":"2023-04-06T18:15:09.023Z","modified":"2026-06-17T05:30:34.293Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:53.719171Z"}]}}